diff --git a/backend/stream.py b/backend/stream.py
index 42f79a4..d7f6748 100755
--- a/backend/stream.py
+++ b/backend/stream.py
@@ -69,7 +69,7 @@ class ProxyElem():
 proxies = {}
 new_providers = {}
 for key in providers:
-    expr = re.compile(f'{key}_([a-z][a-z])?[0-9]+', re.IGNORECASE)
+    expr = re.compile(f'^{key}_proxy(_[a-z][a-z])?[0-9]+$', re.IGNORECASE)
     matches = list(filter(expr.match, os.environ.keys()))
     current = []
     current_keys = set()
@@ -81,7 +81,7 @@ for key in providers:
         country = None
         pos = len(country_groups) - 1
         if pos >= 0:
-            country = country_groups[pos]
+            country = country_groups[pos].strip("_")
             current_keys.add(f'{key}_{country}')
         proxy = os.environ.get(match)
         if proxy is not None: